String Trio Cello,Viola,Violin - Level 4 - Digital Download SKU: A0.1303708 By Jason Mraz & Colbie Caillat. By Colbie Caillat, Jason Mraz, and Timothy Fagan. Arranged by Paul Bergeron. 21st Century,Folk,Pop,Rock,Wedding. 11 pages. Paul Bergeron #893264. Published by Paul Bergeron (A0.1303708).